The DUP is backing an SDLP amendment to the motion which calls for the building to be developing in a way that is sensitive to victims and survivors.

BBC: Angry exchanges in assembly during Maze debate

Tony Wright, chairman of the public administration committee, tabled an amendment to Ms Harman's motion, asking for the "under representation of certain groups of citizens" to be included.

BBC: Probe into boosting minority MPs

What threw the bill into limbo was a motion by Lamar Smith (R-TX) to send the bill back to committee for an amendment.

NPR: Debate on FISA Expansion Bill Stalls in House